From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754860AbdERCC6 (ORCPT ); Wed, 17 May 2017 22:02:58 -0400 Received: from LGEAMRELO13.lge.com ([156.147.23.53]:36649 "EHLO lgeamrelo13.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753143AbdERCC5 (ORCPT ); Wed, 17 May 2017 22:02:57 -0400 X-Original-SENDERIP: 156.147.1.127 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com Date: Thu, 18 May 2017 11:02:47 +0900 From: Byungchul Park To: viro@zeniv.linux.org.uk Cc: linux-kernel@vger.kernel.org, kernel-team@lge.com, oleg@redhat.com Subject: Re: [RESEND PATCH] fput: Don't reinvent the wheel but use existing llist API Message-ID: <20170518020247.GD28017@X58A-UD3R> References: <1494549541-11410-1-git-send-email-byungchul.park@lge.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1494549541-11410-1-git-send-email-byungchul.park@lge.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 12, 2017 at 09:39:01AM +0900, Byungchul Park wrote: > Although llist provides proper APIs, they are not used. Make them used. +cc oleg@redhat.com > > Signed-off-by: Byungchul Park > Reviewed-by: Oleg Nesterov > --- > fs/file_table.c | 12 +++++------- > 1 file changed, 5 insertions(+), 7 deletions(-) > > diff --git a/fs/file_table.c b/fs/file_table.c > index 6d982b5..3209da2 100644 > --- a/fs/file_table.c > +++ b/fs/file_table.c > @@ -231,12 +231,10 @@ static void __fput(struct file *file) > static void delayed_fput(struct work_struct *unused) > { > struct llist_node *node = llist_del_all(&delayed_fput_list); > - struct llist_node *next; > + struct file *f, *t; > > - for (; node; node = next) { > - next = llist_next(node); > - __fput(llist_entry(node, struct file, f_u.fu_llist)); > - } > + llist_for_each_entry_safe(f, t, node, f_u.fu_llist) > + __fput(f); > } > > static void ____fput(struct callback_head *work) > @@ -310,7 +308,7 @@ void put_filp(struct file *file) > } > > void __init files_init(void) > -{ > +{ > filp_cachep = kmem_cache_create("filp", sizeof(struct file), 0, > SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); > percpu_counter_init(&nr_files, 0, GFP_KERNEL); > @@ -329,4 +327,4 @@ void __init files_maxfiles_init(void) > n = ((totalram_pages - memreserve) * (PAGE_SIZE / 1024)) / 10; > > files_stat.max_files = max_t(unsigned long, n, NR_FILE); > -} > +} > -- > 1.9.1